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What are the possible dangers of vitamin E?

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Quick Answer

Potential dangers of vitamin E include allergic skin reactions, dizziness, heart conditions, increased risk of fainting and increased risk of stroke, according to the Mayo Clinic. It may also cause increased insulin resistance, sexual dysfunction, vision loss and increased risk of tuberculosis.

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Full Answer

Vitamin E may cause diarrhea, changes in cholesterol levels, nausea, kidney dysfunction and fatigue as well as flu-like symptoms, stomach pain and increased risk of death, as the Mayo Clinic warns. When taken during pregnancy, vitamin E may cause an increased risk of high blood pressure as well as an increased risk of heart problems in the baby. When applied to the skin, the vitamin may cause skin reactions such as itching and inflammation. Individuals with eye damage, kidney problems, Alzheimer's disease, skin conditions and heart problems should use caution when taking vitamin E.

The vitamin is likely safe when healthy adults consume it in doses normally found in food, and it is safe in doses of up to 800 IU for up to four months for healthy individuals over age 65, as confirmed by the Mayo Clinic. Vitamin E may increase the risk of bleeding, so individuals with bleeding disorders should avoid it. Individuals should consult a doctor before taking vitamin E supplements.

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